Activated carbons
Preparation, characterization and phenol adsorption capacity of activated carbons from African beech wood sawdust
... data fitted the isothermal models in the order: Langmuir> D-R>Freundlich and Temkin. The good fit of the experimental data with the Langmuir model may be attributed to the homogenous distribution of active sites on ...
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OPTIMIZATION OF PREPARATION CONDITIONS FOR ACTIVATED CARBONS FROM POLYETHYLENE TEREPHTHALATE USING RESPONSE SURFACE METHODOLOGY
... of activated carbons from polyethylene terephthalate (PET) with good surface area and ...PET-based activated carbon was prepared using a chemical activation technique employing sulfuric acid (H 2 SO ...
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Assessing the potential of activated carbons from polyethylene terephthalate (PET) as adsorbents to separate co2 from flue gas
... Activated carbons samples prepared by physical activation of PET wastes led to adsorbents with a very hydrophobic surface (no functional groups) and an interesting porous texture for gas adsorption ...
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DESENVOLVIMENTO DE CARVÃO ATIVADO A PARTIR DE BAMBU (Bambusa
... make activated carbon (AC) an essential product for modern ...better activated carbons that could be used to serve in water treatment, this article discusses these materials production, using bamboo ...
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Braz. J. Chem. Eng. vol.22 número1
... of activated carbons obtained from different raw materials, such as sugarcane bagasse, babassu (Orbygnia speciosa), and coconut (Cocus nucifera) shells, to remove residual chlorine is ...of activated ...
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MATERIAL AND METHODS Surface modification
... Porous structure destruction of activated carbons might be related to the temperature that is generated during treatment and agitation of AC inside the aluminum box. Electric discharge promotes agitation, ...
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Braz. J. Chem. Eng. vol.27 número1
... New alternative adsorbents for Cr(VI) removal have been explored by making simple chemical modifications of olive stones and commercial active carbon by sulfuric acid. The results indicate that the biomass ...
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Hybrid TiO2-C composites for the photodegradation of methylene blue under visible light
... as activated carbon (AC) ...with activated carbon (AC) have received an increase attention for the degradation of different dyes [9-11] and halo phenol molecules [7] where r e c e n t l y, w e h a v e s h o ...
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Eclet. Quím. vol.31 número4
... the activated carbon depends on the surface characteristics, such as surface area, pore structure and surface acidity and solutions ...the activated carbons show surface areas of about 560 m 2 g -1 , ...
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Utilização de serragem de Eucalyptus sp. na preparação de carvões ativados
... potential for adsorption of pollutants commonly found in industrial effluents such as phenol and dye. This means that waste of eucalyptus sawdust can be used as precursor in the preparation of activated ...
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HYDROGEN SULFIDE ADSORPTION BY ALKALINE IMPREGNATED COCONUT SHELL ACTIVATED CARBON
... impregnated activated carbons were characterized using SEM testing to analyse the surface morphology, crystalline structure and distribution of the alkaline salt on the ...impregnated activated ...
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Braz. Dent. J. vol.24 número5
... light- activated composites (longer working time) with the more homogeneous and effective polymerization when light is limited for bracket bonding ...dual activated resin composite classifies this material ...
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Patterned immobilization of antibodies within roll-to-roll hot embossed polymeric microfluidic channels.
... AFM observation was made in tapping mode using a Veeco Dimension 3100 AFM system (Veeco Metrology Group, Santa Barbara, CA) to investigate the morphology of inkjet-printed PEI and antibody films on PMMA. A 2% (w/w) ...
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Development of a neurofeedback-based virtual reality environment
... The first three UIs can be activated through a specific key. The main menu window has several interactive toggles, allowing the user to activate or deactivate “ghost mode” and to select the type of represented BCI ...
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Characterization of a novel single-chain bispecific antibody for retargeting of T cells to tumor cells via the TCR co-receptor CD8.
... On the one hand, a contribution of CD4+ T cells to killing of target cells may have obvious advantages. On the other hand, a CD3-engaging bsAb will mediate a polyclonal activation of all subclasses of CD4+ T cells ...
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BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
... For saturated fatty acids or alcohols, the best enhancer effect was obtained for compounds with 12 carbons on the lateral (side) chain; for compounds containing an 18 carbon la[r] ...
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Rev. Bras. Anestesiol. vol.66 número6
... that. Activated charcoal and gastric lavage can be applied to decrease absorption of bupropion if the patient presents for treatment soon after the overdose first hours activated ...
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Rev. Bras. Hematol. Hemoter. vol.32 número4
... the activated prothrombin time (PT), activated partial thromboplastin time (APTT) and thrombin time (TT) to evaluate the effects of GP on blood coagulation ...
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LTP promotes a selective long-term stabilization and clustering of dendritic spines.
... Dendritic spines are the main postsynaptic site of excitatory contacts between neurons in the central nervous system. On cortical neurons, spines undergo a continuous turnover regulated by development and sensory ...
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LESSONS FROM THE KYOTO PROTOCOL
... The need to force a turning point in the emissions of some gases responsible for the greenhouse effect (the most important of which are carbon dioxide, methane, hydrofluoro- carbons, ni[r] ...
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